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Practical Network Automation

You're reading from   Practical Network Automation Leverage the power of Python and Ansible to optimize your network

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Product type Paperback
Published in Nov 2017
Publisher Packt
ISBN-13 9781788299466
Length 266 pages
Edition 1st Edition
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Author (1):
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Abhishek Ratan Abhishek Ratan
Author Profile Icon Abhishek Ratan
Abhishek Ratan
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Table of Contents (8) Chapters Close

Preface 1. Fundamental Concepts 2. Python for Network Engineers FREE CHAPTER 3. Accessing and Mining Data from Network 4. Web Framework for Automation Triggers 5. Ansible for Network Automation 6. Continuous Integration for Network Engineers 7. SDN Concepts in Network Automation

Functions

For any recurring set of instructions, we can define a function. In other words, a function is a closed set of instructions to perform a specific logic or task. Depending upon the input provided, a function has the ability to return the results or parse the input with specific instructions to get results without any return values.

A function is defined by the def keyword, which specifies that we need to define a function and provide a set of instructions related to that function.

In this task we will print the greater of two input numbers:

def checkgreaternumber(number1,number2):
if number1 > number2:
print ("Greater number is ",number1)
else:
print ("Greater number is",number2)
checkgreaternumber(2,4)
checkgreaternumber(3,1)

As we can see in the preceding output, the first time we call the checkgreaternumber(2,4) function, the function...

You have been reading a chapter from
Practical Network Automation
Published in: Nov 2017
Publisher: Packt
ISBN-13: 9781788299466
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